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Testosterone Cypionate
Nearly identical to Testosterone Enanthate with a very similar half-life. The most popular testosterone ester in North America. Often preferred for TRT due to its slightly longer half-life allowing for once-weekly injections.
- Also known as: Test C, TC
- Form: injectable
- Half-life: 7–8 days
- Typical cycle length: 12–16 weeks
- Typical dose (men): 300–600 mg/week
- Typical dose (women): Not recommended
- Anabolic : androgenic rating: 100 : 100
- PCT required: yes
Dosing by experience level
| Level | Dose | Frequency | Notes |
|---|---|---|---|
| TRT | 100–200 mg/week | Once or twice weekly | Prescribed dose to restore natural testosterone levels |
| Beginner | 300–400 mg/week | 2x/week | 12-week solo cycle |
| Intermediate | 400–600 mg/week | 2x/week | Stack with Anavar or NPP |
Side effects
- Aromatization
- Testosterone suppression
- Acne
- Water retention
- Mood swings if estrogen not managed
Common stacks
- Deca-Durabolin
- Anavar
- Equipoise
- Masteron
Important notes
- Very interchangeable with Testosterone Enanthate
- Manage estrogen with an aromatase inhibitor
- Slightly less frequent injections possible due to longer half-life